Images are for guidance only and might not represent the final product.

Alumina Round Bottomed Boat Crucible

Available Configurations

Properties common to all products in this list

Composition: Al₂O₃ Form: Crucible Material: Aluminum Oxide CAS Number: 1344-28-1 Commodity: Ceramics Purity: 99.8%
Alumina Round Bottomed Boat Crucible is produced from high-purity aluminum oxide, offering excellent thermal stability, chemical resistance, and mechanical integrity under extreme temperatures. The round-bottomed boat design ensures efficient heat distribution and uniform exposure of materials, making it ideal for controlled thermal processes. This crucible is widely used in advanced ceramics, metallurgy, semiconductor fabrication, and high-purity chemical synthesis. Specific applications include calcination of powders, preparation of high-purity alloys, and thermal decomposition studies where contamination must be avoided. Its resistance to molten metals, slags, and aggressive chemicals allows repeated high-temperature use without degradation. In research and industrial settings, Alumina Round Bottomed Boat Crucible supports the production of consistent, reproducible results, enabling innovation in thermal materials processing and contributing to advancements in high-performance material development.
Starting at $79.00 each
No Minimum order Approx. 2 weeks leadtime Free technical support *Free delivery worldwide

Material Properties

Chemical Resistance
Element Value
Acids - concentrated Good
Acids - dilute Good
Alkalis Good
Halogens Good
Metals Good
Electrical Properties
Element Value
Dielectric constant 9-10.1
Dielectric strength( kV mm⁻¹ ) Oct-35
Volume resistivity( Ohmcm ) >10¹⁴@25
Physical Properties
Element Value
Apparent porosity( % ) 0
Water absorption - saturation( % ) 0
Density( gcm⁻³ ) 3.9
Thermal Properties
Element Value
Melting point( C ) 2100
Upper continuous use temperature( C ) 1700
Specific heat( J K⁻¹ kg⁻¹ ) 850-900@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 26-35@20°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 8@20-1000°C
Mechanical Properties
Element Value
Tensile modulus( GPa ) 300-400
Hardness - Knoop( kgf mm⁻² ) 2100
Hardness - Vickers( kgf mm⁻² ) 1500-1650
Shear strength( MPa ) 330
Tensile strength( MPa ) 260-300
Pultrusions
Element Value
Compressive strength( MPa ) 2200-2600
each

Choose Your Options

Close

Available Configurations

Properties common to all products in this list

Composition: Al₂O₃ Form: Crucible Material: Aluminum Oxide CAS Number: 1344-28-1 Commodity: Ceramics Purity: 99.8%

We are collecting your products, please wait!...

Shipping restrictions and charges may apply for some hazardous materials.

Tolerances

Round Bottomed Boat
External Width ±10%
External Length ±10%
External Height ±10%